SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Inventories) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Inventory [Line Items]
Inventory write-down	$ 0	$ 1,283
Inventory, Net [Abstract]
Total	3,437	2,410
Stainless steel, ferrous and non-ferrous materials [Member]
Inventory, Net [Abstract]
Raw Materials	2,222	1,354
Finished Goods	805	652
Processing Costs	410	404
Total	$ 3,437	$ 2,410